It is constructed out of durable black anodized aluminum. The Trinity Force Quad Rail Gas Block accepts all standard Weaver and Picatinny 1913 accessories, and is optimized for red dots, flashlights, and lasers

1 Review

4

I love it!

Posted by AJK on Jan 31st 2019

So much easier, cheaper and practical than a quad rail handguard. It's a pain removing the A2 front sight, but after that, installation is easy. I did have to file down the gas tube slightly in order to time it with the port. Pretty easy to do, and extra gas tubes are cheap.